CVEvulnerability
CVE-2014-8173
7.2 HIGH
Official page ↗
- Status
- Modified
- Published
- 2015-03-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Description
The pmd_none_or_trans_huge_or_clear_bad function in include/asm-generic/pgtable.h in the Linux kernel before 3.13 on NUMA systems does not properly determine whether a Page Middle Directory (PMD) entry is a transparent huge-table entry, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted MADV_WILLNEED madvise system call that leverages the absence of a page-table lock.
Affected configurations
• linux linux kernel (>= 3.9 < 3.10.76)
• linux linux kernel (>= 3.11 < 3.12.43)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ee53664bda169f519ce3c6a22d378f0b946c8178 Broken Link
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0290.html Third Party Advisory, VDB Entry
- http://rhn.redhat.com/errata/RHSA-2015-0694.html Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1198457 Issue Tracking
- https://github.com/torvalds/linux/commit/ee53664bda169f519ce3c6a22d378f0b946c8178 Third Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ee53664bda169f519ce3c6a22d378f0b946c8178 Broken Link
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0290.html Third Party Advisory, VDB Entry
- http://rhn.redhat.com/errata/RHSA-2015-0694.html Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1198457 Issue Tracking
- https://github.com/torvalds/linux/commit/ee53664bda169f519ce3c6a22d378f0b946c8178 Third Party Advisory